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Riesel primes of the form 9•10n-1

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Current data

k , b : 9 , 10
Count : 22
Nash : 3518
Max n : 230,000
Date : 2021-10-05
1[1], 3[2], 7, 19, 29, 37, 93, 935, 8415, 9631, 11143, 41475, 41917, 48051, 107663, 212903, 223871, 260253, 364521, 383643, 1009567, 1762063
Remarks :
sequence A056725 in OEIS
See also Near-repdigit 899...99 Studio Kamada

Notes

  1. S.G. n=1
  2. Twin n=3

History